CIDR only shows a pregnancy rate of 46% in cycling cows. There would have to be methods that would result in a better pregnancy rate than that -- sounds like a lot of work for little return.
Here's a link to their site
<A HREF="http://www.cidr.com/product_detail.asp?country=US&lang=EN&species=BF&drug=CI" TARGET="_blank">http://www.cidr.com/product_detail.asp?country=US&lang=EN&species=BF&drug=CI</A>
Ann B
> There are a number of excellent
> schools, one in KS that a neighbor
> attended. They also have schools
> on preg checking, ET, etc. The
> various studs, ABS, Select Sire,
> CRI/GENEX, etc. also have schools
> periodically. The problem is that
> frquently these are quicky schools
> that don't have enough animals to
> work on and don't get you familiar
> enough to be comfortable with what
> you are doing. Now to the real
> personal opinion part, CIDRS are
> another way to get another 8-10
> bucks a head out of. They may have
> a place, but I don;t think they
> are the magic bullet that people
> seem to think they are. Synch.
> programs can be usefull, but when
> you end up having to breed 35 cows
> at one time it gets pretty
> fatigueing and you may start
> getting a little hurried and
> careless. Now if I was paying
> somebody to come out and breed for
> me, I would use all the synch.
> tricks in the book, probably
> including CIDRS. We only give the
> girls two bites at the apple, if
> they don't take by the second
> service they grow wheels. Haven't
> had to cull one for a good number
> of years because of lack of
> conception. We only kept back one
> heifer this year, she required two
> services, and one old cow that has
> never failed to take first service
> had to bred a second time.
> dun
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